FUNCTIONAL EFFICIENCY OF ATHLETES IN MIDDLE DISTANCE RUNNING
Journal Title: Journal of Applied Sports Sciences - Year 2019, Vol 1, Issue 1
Abstract
Modern athletics is developing with incredible dynamics. In sports science and practice there are a number of proven methodological approaches that are related to the diagnosis of the training effects. One of the tasks of functional diagnostics in sports is researching and tracing the body changes related to energy supply in a certain training activity. The aim of the research is to increase the effectiveness of the mid-distance training exercise through the creation of criteria for assessing the adaptation effects of the workloads. The subject of the study is the adaptation changes in the level of HR, VO2max and La in the conditions of the training activity. The research was done among 27 male middle distance competitors. The test was performed on the athletics track with the use of a special K4 set which recorded the pulse frequency and oxygen consumption dynamics. The concentration of lactate in capillary blood was recorded immediately after the run. The results show that the speed of recovery of the pulse frequency in the phases of the shortened rest is the correct adaptation marker for the determination of the individual tolerance in running loads and the level of athletes’ training. The recommended quantitative values of the respiratory and metabolic adaptation markers and their associated running speed are as follows: aerobic threshold - 2 mmol/l at a running speed of less than 4.10 m/sec. and a heart rate up to 157 HR.; anaerobic threshold - 4 mmol/l at a running speed between 4.10 and 5.13 m/s and a pulse limit of 157-178 HR - an effective aerobic zone (economic zone); over 178 HR and the running speed over 5.13 m/s.
Authors and Affiliations
Ivaylo Lazarov
Keywords
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